Doonorite

Doonorite is a fictional mineral that does not appear in recognized mineral databases or in standard geologic references. It has been used in science fiction, role-playing games, and some teaching examples as a placeholder mineral to illustrate how minerals are described, named, and discussed in geological contexts. Because it is not an actual mineral, there is no authoritative chemical formula, crystal system, or set of physical constants universally associated with it.

Etymology and naming conventions around doonorite vary by author or game creator. The term is typically a constructed name, sometimes linked to a fictional locality, discoverer, or narrative element. As such, there is no standardized provenance or classification beyond what individual works assign.

In fictional portrayals, doonorite is described with a range of possible compositions and properties. Some writers depict it as a complex silicate or phosphate material with distinctive optical or luminescent features, while others describe more mundane appearances. Because there is no canonical specification, descriptions of doonorite’s chemistry, hardness, density, and crystal structure are intentionally variable and serve as narrative or pedagogical devices rather than real-world facts.

Occurrence and formation in these works likewise vary. Doonorite may be said to form in volcanic or hydrothermal environments, deep crustal settings, or extraterrestrial geology, depending on the story. The lack of a fixed definition makes it a flexible tool for illustrating concepts such as mineral formation, classification, and how fictional minerals are integrated into worldbuilding.

See also: Fictional minerals; Mineral naming; Geology in fiction.